import java.util.Scanner;

public class Main {
    public static void main(String[] args){
        
    }
    public static void main2(String[] args){
        System.out.println("hallo world");
        Scanner sca=new Scanner(System.in);
        System.out.println("请输入年龄：");
        int age=sca.nextInt();
        System.out.println("年龄："+ age);
        sca.nextLine();
        System.out.println("请输入姓名：");
        String name=sca.nextLine();
        System.out.println("姓名："+ name);
        System.out.println("请输入工资：");
        Float salary=sca.nextFloat();
        System.out.println("工资："+ salary);

    }
    public static void main1(String[] args) {
        int a=10;
        int b=20;
        System.out.println("hallo world");
        System.out.println(a>b);
        System.out.println(a<b);
        System.out.println(10%3);
        System.out.println(-5%3);
        System.out.println(5%-3.5);
    }
}